Sitronix ST7571 is a 4bit gray scale dot matrix LCD controller. The controller has a SPI, I2C and 8bit parallel interface, this is for the I2C interface only.
Signed-off-by: Marcus Folkesson <[email protected]> --- .../bindings/display/sitronix,st7571-i2c.yaml | 71 ++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/Documentation/devicetree/bindings/display/sitronix,st7571-i2c.yaml b/Documentation/devicetree/bindings/display/sitronix,st7571-i2c.yaml new file mode 100644 index 0000000000000000000000000000000000000000..6e5e0994a98db646a37bb17c4289332546c9266e --- /dev/null +++ b/Documentation/devicetree/bindings/display/sitronix,st7571-i2c.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/sitronix,st7571-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sitronix ST7571 Display Panels + +maintainers: + - Marcus Folkesson <[email protected]> + +properties: + compatible: + const: sitronix,st7571-i2c + + reg: + description: I2C address of the LCD controller + maxItems: 1 + + sitronix,panel-width-mm: + description: physical panel width [mm] + + sitronix,panel-height-mm: + description: physical panel height [mm] + + sitronix,panel-nlines: + description: Number of lines in the panel + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 128 + default: 128 + + sitronix,panel-start-line: + description: Start line of the panel + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 127 + default: 0 + + reset-gpios: + description: GPIO connected to the RST_N signal. + maxItems: 1 + +required: + - compatible + - reg + - reset-gpios + - sitronix,panel-width-mm + - sitronix,panel-height-mm + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + # + i2c { + #address-cells = <1>; + #size-cells = <0>; + + display@3f { + compatible = "sitronix,st7571-i2c"; + reg = <0x3f>; + + reset-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>; + sitronix,panel-width-mm = <37>; + sitronix,panel-height-mm = <27>; + sitronix,panel-nlines = <96>; + sitronix,panel-start-line = <0>; + }; + }; -- 2.48.1
